Ceramic SMT 2 Pad Watch Crystal
SWS512 Series
4.9mm x 1.8mm
Features
Applications
• ±20ppm (Tolerance) Available
• Real Time Clock
• Ultra-Miniature Package
• Measurement instruments
• Tape and Reel
• Wireless Applications
Part Numbering Guide
SWS 51 2 12 D 48 - 32.768K
FREQUENCY
kHz
SUNTSU WATCH SMT
CRYSTAL
4.9mm x 1.8mm
2 PAD
COMPLIANT
Cage Code: 4GUT4
To customize your parameters contact a Suntsu representative.
Electrical Parameters
Units
Frequency Range
kHz
Frequency Tolerance at +25ºC
ppm
Frequency Stability vs. Aging
ppm
Frequency Coefficient (ß)
ppm/T
LOAD CAPACITANCE
12 : 12.5pF
9 : 9.0pF
7 : 7.0pF
Minimum
Typical
OPERATING TEMPERATURE RANGE
16 : -10°C - +60°C
FREQUENCY TOLERANCE
48 : -40°C - +85°C
D : ±20ppm
Maximum
Remarks
32.768
2
-20
+20
-3
+3
-0.040
-0.034
-0.028
Operating Temperature
°C
-40
+85
Turnover Temperature
°C
+20
Storage Temperature
°C
-55
+125
Load Capacitance
pF
7
12.5
Shunt Capacitance
pF
Drive Level
µW
Insulation Resistance
MΩ
Equivalent Series Resistance
kΩ
+25
First year @ +25ºC.
See part numbering guide for options.
+30
See part numbering guide for options.
1.33
1
500
@ 100VDC ± 15V.
70
Outline Drawing & Recommended Land Pattern
All dimensions are in millimeters (mm) unless otherwise noted. Drawings are not to scale.
www.suntsu.com
Specifications are subject
to change without notice.
Suntsu Electronics, Inc.
142 TECHNOLOGY DR., SUITE 150
IRVINE, CA 92618
Call: +1-949-783-7300 | Fax: +1-949-783-7301
Ceramic SMT 2 Pad Watch Crystal
SWS512 Series
4.9mm x 1.8mm
Environmental Specifications
Mechanical Specifications
Temperature Cycling
MIL-STD-883, Method 1010, Condition B
Mechanical Shock
MIL-STD-202, Method 213, Condition B
Fine Leak Test
MIL-STD-883, Method 1014, Condition A
Vibration
MIL-STD-883, Method 2007, Condition A
Gross Leak Test
MIL-STD-883, Method 1014, Condition C
Resistance to Soldering Heat
MIL-STD-202, Method 210, Condition B
Moisture Resistance
MIL-STD-883, Method 1004
Resistance to Solvents
MIL-STD-202, Method 215
Moisture Sensitivity
J-STD-020, MSL 1
Solderability
MIL-STD-883, Method 2003
Reflow Profile & Part Marking
Tp (Time At 260°C. 20-40 Sec)
260
Rup (Ramp Up, 3°C/Sec Max)
217
Temperature (°C)
200
TI (Time Above 217°C.
60-150Sec)
150
Rdn (Ramp Down,
6°C/Sec Max)
Ts (Preheat Time.
60-180Sec)
T 25°C to Peak (480Sec Max)
Time (sec)
Tape And Reel Dimensions
All dimensions are in millimeters (mm) unless otherwise noted. Drawings are not to scale.
3,000pcs / Reel
www.suntsu.com
Specifications are subject
to change without notice.
Suntsu Electronics, Inc.
142 TECHNOLOGY DR., SUITE 150
IRVINE, CA 92618
Call: +1-949-783-7300 | Fax: +1-949-783-7301
SWS5129D48-32.768KT 价格&库存
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